http://metrics.dropwizard.io/metrics-ehcache: An Ehcache wrapper providing Metrics instrumentation of caches.
  • Coda Hale
  • Ryan Tenney
  • Artem Prigoda 
package com.codahale.metrics.ehcache;

import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.SharedMetricRegistries;
import net.sf.ehcache.Ehcache;
import net.sf.ehcache.constructs.CacheDecoratorFactory;

import java.util.Properties;

public class InstrumentedCacheDecoratorFactory extends CacheDecoratorFactory {
    @Override
    public Ehcache createDecoratedEhcache(Ehcache cache, Properties properties) {
        final String name = properties.getProperty("metric-registry-name");
        final MetricRegistry registry = SharedMetricRegistries.getOrCreate(name);
        return InstrumentedEhcache.instrument(registry, cache);
    }

    @Override
    public Ehcache createDefaultDecoratedEhcache(Ehcache cache, Properties properties) {
        final String name = properties.getProperty("metric-registry-name");
        final MetricRegistry registry = SharedMetricRegistries.getOrCreate(name);
        return InstrumentedEhcache.instrument(registry, cache);
    }
}